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Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Georgetown Lake (MTGTL)

Lat: 46.191°NLon: 113.3°WElev: 6338.0ft.

NA

36°F

2°C

Humidity 72%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 15 Apr 09:00 AM MDT
Extended Forecast for

2 Miles W Georgetown MT

Winter Weather Advisory April 15, 06:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Rain and snow showers. Some thunder is also possible. Snow level rising to 6700 feet in the afternoon. High near 42. Southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Showers
    Likely then
    Rain/Snow

  • Tonight

    Tonight: Snow showers, mainly before 9pm. The snow could be heavy at times. Low around 17. West wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Heavy Snow
    then Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 27. Light west wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 27 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 17. Northwest wind 8 to 13 mph becoming light west southwest after midnight. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 32. Light west wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and snow showers. Some thunder is also possible. Snow level rising to 6700 feet in the afternoon. High near 42. Southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before 9pm. The snow could be heavy at times. Low around 17. West wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. Some thunder is also possible. High near 27. Light west wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 17. Northwest wind 8 to 13 mph becoming light west southwest after midnight. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 32. Light west wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 31.
Monday
A slight chance of rain and snow. Snow level 7000 feet rising to 7900 feet in the afternoon. Mostly sunny, with a high near 56.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34.
Tuesday
A chance of rain and snow. Snow level 7300 feet rising to 7800 feet in the afternoon. Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Georgetown MT
 46.19°N 113.3°W (Elev. 6339 ft)
Last Update:
2:01 am MDT Apr 15, 2026
Forecast Valid:
9am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation